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3 years ago

Do two congruent polygons satisfy the conditions for similarity ? Why ?

Mathematics

1 answer:

Vedmedyk [2.9K]3 years ago

4 0

Congruent shapes are the same, so its safe to say that congruent shapes must also be similar.

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PLEASE HELP I ONLY HAVE TODAY TO DO THIS PLEASE

balandron [24]

Answer:

Step-by-step explanation:

this should br what it looks like

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3 years ago

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Identify the values of the variables. Give your answers in simplest radical form. HELP ASAP!!

kumpel [21]

Answer:

Step-by-step explanation:

Since the triangle is right use the sine/ tangent ratios to solve for x and y

note sin60° = $\frac{\sqrt{3} }{2}$ and tan60° = $\sqrt{3}$

sin60° = $\frac{opposite}{hypotenuse}$ = $\frac{3\sqrt{6} }{y}$

ysin60° = 3 $\sqrt{6}$

y × $\frac{\sqrt{3} }{2}$ = 3 $\sqrt{6}$

multiply both sides by 2 and divide by $\sqrt{3}$

y v= 6 $\sqrt{\frac{6}{3} }$ = 6 $\sqrt{2}$

tan60° = $\frac{opposite}{adjacent}$ = $\frac{3\sqrt{6} }{x}$

xtan60° = 3 $\sqrt{6}$

x × $\sqrt{3}$ = 3 $\sqrt{6}$

divide both sides by $\sqrt{3}$

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8 0

3 years ago

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I need help with this!

sashaice [31]

Answer:

Step-by-step explanation:

Let the width be w centimeters.

Then the length = w + 7.

The area A is found from the length multiplied by the width.

330 = w(w + 7) = w^2 + 7w.

Now we can rearrange this equation to form a quadratic, as follows:

The factorization of the quadratic is:

(w + 22)(w - 15) = 0

Therefore we find that:

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4 0

3 years ago

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Answer:

Step-by-step explanation:

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3 years ago

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Chantel counted 48 books on 6 shelves in the library. How many books would she expect to count on 12 shelves?

sleet_krkn [62]

Start by finding out how many books per shelf. So divide 48 by 6, which would mean 8 books per shelf.
Multiply this by 12 shelves, which gives you 96 books.
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3 years ago